AT&T will be performing maintenance on 9/22 from 10:00 p.m. CT until 9/23 at 2:00 a.m. CT.
IMPACT: Connection to the AT&T network will be periodically unavailable. Message delivery and processing times may be impacted.
ACTION: No action is required. All messages will be queued and processed at the rate the AT&T network is available or when the maintenance is completed.
Systems Impacted by Maintenance: Connection to AT&T messaging
Posted Sep 18, 2026 - 12:22 CDT
This scheduled maintenance affects: North America Messaging (SMS SMPP, SMS HTTP, MMS) and North America Platform (Platform UI, SMS, MMS).